redtail vs red-tailed hawk

redtail and red-tailed hawk both are nouns.

Word	Noun	Adjective	Verb	Adverb
redtail	Yes	No	No	No
red-tailed hawk	Yes	No	No	No

As nouns, redtail and red-tailed hawk are synonyms defined as:

redtail and red-tailed hawk: dark brown American hawk species having a reddish-brown tail

Other synonyms of redtail include Buteo jamaicensis.

redtail (noun)	red-tailed hawk (noun)
dark brown American hawk species having a reddish-brown tail	dark brown American hawk species having a reddish-brown tail
European songbird with a reddish breast and tail; related to Old World robins